Search a number
-
+
2012453641 = 11182950331
BaseRepresentation
bin111011111110011…
…1001101100001001
312012020210020102001
41313330321230021
513110142004031
6531405511001
7100604400532
oct16774715411
95166706361
102012453641
11942a83230
12481b72461
13260c17993
141513bb689
15bba22861
hex77f39b09

2012453641 has 4 divisors (see below), whose sum is σ = 2195403984. Its totient is φ = 1829503300.

The previous prime is 2012453627. The next prime is 2012453657. The reversal of 2012453641 is 1463542102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2012453641 - 29 = 2012453129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012453141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91475155 + ... + 91475176.

It is an arithmetic number, because the mean of its divisors is an integer number (548850996).

Almost surely, 22012453641 is an apocalyptic number.

It is an amenable number.

2012453641 is a deficient number, since it is larger than the sum of its proper divisors (182950343).

2012453641 is a wasteful number, since it uses less digits than its factorization.

2012453641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182950342.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2012453641 is about 44860.3794121271. The cubic root of 2012453641 is about 1262.5307414140.

Adding to 2012453641 its reverse (1463542102), we get a palindrome (3475995743).

The spelling of 2012453641 in words is "two billion, twelve million, four hundred fifty-three thousand, six hundred forty-one".

Divisors: 1 11 182950331 2012453641